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Recent questions tagged discrete mathematics
+3
votes
1
answer
If the truth valued of propositions p,q,r ar T,T,F respectively. Then find the truth values of the compound propositions (p ∨ r) ∧ q.
asked
Apr 2, 2019
in
Mathematics
by
kratos
jee
discrete mathematics
mathematical logic
jee mains
class-12
+2
votes
1
answer
|1 + Z1 + Z2 +.....+ Z7| =
asked
Mar 23, 2019
in
Mathematics
by
kratos
class-11
discrete mathematics
class-12
complex numbers
+1
vote
1
answer
Write the set Q of rational numbers in the property form.
asked
Mar 23, 2019
in
Mathematics
by
kratos
class-8
discrete mathematics
icse
class-12
rational numbers
+1
vote
1
answer
Whose white waterfall could bless Travellers in their last distress.
asked
Mar 21, 2019
in
Mathematics
by
kratos
class-11
discrete mathematics
class-12
bseb model set
+1
vote
1
answer
Let * be a binary operation on Z .If a * b = 2ab where a, b ∈ Z then the value of 19 * 16 is
asked
Mar 12, 2019
in
Mathematics
by
kratos
jee
discrete mathematics
relations and functions
jee mains
binary operations
binomial theorem
class-12
+1
vote
1
answer
The contrapositive of (p ∨ q) ⇒ r is
asked
Jan 27, 2019
in
Mathematics
by
kratos
class-11
jee
mathematical reasoning
discrete mathematics
jee mains 2019
jee mains
class-12
+2
votes
1
answer
Using truth table show that – (p → – q) ≡ p ∧ q
asked
Jan 20, 2019
in
Mathematics
by
kratos
discrete mathematics
class-12
+1
vote
1
answer
Let (i) (P ∨ q) ∨ (p ∨ ~ q), (ii) (P ∧ q) ∧ (p ∨ ~ q), (iii) (P ∨ q) ∧ (p ∨ ~ q), (iv) (P ∨ q) ∨ (p ∨ ~ q), which one is tautology
asked
Jan 18, 2019
in
Mathematics
by
kratos
jee main 2021
jee main 2020
jee
discrete mathematics
jee main
class-12
+2
votes
1
answer
The logically equivalent proposition of p ⇔ q is
asked
Jan 16, 2019
in
Mathematics
by
kratos
jee
mathematical reasoning
discrete mathematics
jee mains
class-12
+1
vote
1
answer
Verify if the proposition [~p ∧ (p∨q)] → q is a tautology, contradiction or neither.
asked
Jan 11, 2019
in
Mathematics
by
kratos
discrete mathematics
class-12
+3
votes
1
answer
Write the converse and the contrapositive of the questions are easy then students score better marks.
asked
Jan 5, 2019
in
Mathematics
by
kratos
class-11
discrete mathematics
class-12
mathematical reasoning
+3
votes
1
answer
Which of the following is a contradiction?
asked
Dec 27, 2018
in
Mathematics
by
kratos
class-11
mathematical reasoning
principles of management
discrete mathematics
class-12
+1
vote
1
answer
A function f(x) is defined for x > 0 and satisfies f(x^2 ) = x^3 for all x > 0. Then the value of f'(4) is __
asked
Dec 25, 2018
in
Mathematics
by
kratos
rolles theorem
jee
differentiation
discrete mathematics
relations and functions
jee mains
class-12
lagranges mean value theorem
+1
vote
1
answer
Which one of the following is a tautology? (1) P ∧ (P ∨ Q) (2) P ∨ (P ∧ Q)
asked
Dec 15, 2018
in
Mathematics
by
kratos
jee main 2020
jee main 2021
jee
discrete mathematics
jee main
class-12
+3
votes
1
answer
Assuming p ∨ q is true and p ∧ q is false, then which of the following propositions has true value?
asked
Dec 1, 2018
in
Mathematics
by
kratos
discrete mathematics
mathematical logic
class-12
+3
votes
1
answer
What are the implication of globalisation in education?
asked
Nov 30, 2018
in
Mathematics
by
kratos
development
physical education
discrete mathematics
class-10
class-12
+3
votes
1
answer
Consider the binary operation* on the set {1, 2, 3, 4, 5} defined by a * b = min. {a, b}. Write the operation table of the operation *.
asked
Nov 26, 2018
in
Mathematics
by
kratos
class-12
relations and functions
discrete mathematics
cbse
+1
vote
1
answer
Write converse and contrapositive of "something is cold implies that it has low temperature"
asked
Nov 10, 2018
in
Mathematics
by
kratos
class-11
discrete mathematics
class-12
mathematical reasoning
+2
votes
1
answer
The proposition (~ p) ∨ (p∧~q) is equivalent to
asked
Nov 4, 2018
in
Mathematics
by
kratos
isc
discrete mathematics
mathematical logic
icse
class-12
+3
votes
1
answer
Cold, impossible, ahead Lists the mountain'* lovely head Whose white waterfall could bless
asked
Nov 1, 2018
in
Mathematics
by
kratos
class-11
jee
discrete mathematics
bseb model set
jee mains
class-12
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